DealNews - Best Newegg Case Power Supply Deals & Case Power Supplies for Sale

Dell 265W Power Supply for $50

Wed, 09 Sep 2026 23:08:49 -0400

Dell workstations that shut down under load or won't power on often just need a replacement PSU, and this 265W unit is a straightforward fix if your original is failing or has already died. Buy Now at Newegg

Features

Model: YC7TR9D9T1GVY79053N4D3D1C265W

Dell R720 R620 495W Server Power Supply for $195

Tue, 08 Sep 2026 23:21:24 -0400

Server admins keeping older Dell PowerEdge R720 or R620 rigs running will want a reliable replacement on hand for when a power supply fails, since matching the original wattage and model keeps redundancy intact. It's a straightforward fix for a specific problem rather than a general-purpose part, so double check your server model before buying. Buy Now at Newegg

Features

495W power output
Model: 3GHW3
Compatible with R720 R620 servers

Dell 635W T5600 and T3600 Power Supply for $210

Tue, 08 Sep 2026 23:21:00 -0400

Worth keeping on hand if you're maintaining or repairing a Dell T5600 or T3600 workstation, since finding a compatible replacement power supply for these specific towers isn't always straightforward. Newegg carries it for those needing an exact-fit part rather than a generic aftermarket substitute. Buy Now at Newegg

Features

635W power capacity
Compatible with Dell T5600 and T3600 workstations
Model: 01K45H
NVC7F D635EF-00 part number compatibility

DPS 350W Power Supply for HP ProLiant ML310e G8 for $83

Tue, 08 Sep 2026 23:20:39 -0400

Server owners running an HP ProLiant ML310e G8 will want this on hand as a direct replacement for a failing or dead power supply, since matching the OEM spec avoids compatibility headaches with the server's fan and airflow controls. Buy Now at Newegg

Features

350W power output
Model: 671310-001

Lian Li SX1000P 1,000W Platinum ATX Power Supply for $150

Tue, 08 Sep 2026 23:20:24 -0400

Fully modular and 80 Plus Platinum certified, this PSU suits builders who want efficient, reliable power for a high-end rig without cable clutter, and Newegg has it for $10 off the $160 list price. Buy Now at Newegg

Features

1000W power with ATX 3.1 and PCIe 5.1 compliance
Compact 140mm depth for flexible case installation
Fully modular design reduces cable clutter
Quiet 140mm fan for efficient cooling
Model: SX1000P.B

NBU 5240 Expansion Cabinet 580W Power Supply for $400

Tue, 08 Sep 2026 23:19:45 -0400

Server admins running an NBU 5240 expansion cabinet who need a reliable replacement power supply will find this handy for keeping storage arrays running without downtime, and Newegg carries it for those exact replacement scenarios. Buy Now at Newegg

Features

580W power capacity
NBU 5240 expansion cabinet compatible
Model: 099286-05

Enh-2160-1 600W 2U Server Power Supply for $165

Tue, 08 Sep 2026 23:19:38 -0400

Data centers and server builds running heavy loads benefit most here, since 600W in a 2U form factor gives you enough headroom without eating into rack space you need elsewhere. Buy Now at Newegg

Features

600W power output
2U server form factor
Dual 8-pin connectors
Model: ENH-2160-1

NEC 120W Power Supply DPS-120TB A for $297

Tue, 08 Sep 2026 23:19:10 -0400

Suits anyone maintaining or repairing NEC equipment that needs a reliable, spec-matched replacement power supply rather than a generic substitute. Newegg carries it if your original unit fails and you want a straightforward drop-in fix. Buy Now at Newegg

Features

120W power output
Designed for NEC AIO systems
Model: DPS-120TB A

Dell 825W Power Supply for T5810 and T7810 for $400

Tue, 08 Sep 2026 23:19:08 -0400

Anyone repairing or upgrading a Dell T5810 or T7810 workstation needs a compatible replacement, and this one matches the original spec so you don't have to worry about fit or wattage issues. Buy Now at Newegg

Features

825W power output capacity
Compatible with Dell Precision T5810
Compatible with Dell Precision T7810
Replaces C2TXD FT7T6 H825EF-02
Model: H825EF-02

Quanhan FSP300-70PFL Industrial Control Power Supply for $201

Tue, 08 Sep 2026 23:18:55 -0400

Anyone maintaining industrial control systems or servers built around FSP hardware will want this on hand as a direct replacement power supply, since sourcing exact-spec parts for equipment repairs usually takes longer than the fix itself. Newegg carries the FSP300-70PFL if you need this specific model rather than a generic substitute. Buy Now at Newegg

Features

Industrial-grade power supply
3-year warranty protection
Model: FSP300-70PFL

1,800W Modular ATX Power Supply for $189.60

Tue, 08 Sep 2026 23:18:01 -0400

Anyone building a high-end rig with multiple GPUs or an overclocked CPU will want the headroom this 1,800W supply provides, and the modular cables mean you're not stuck routing bulky wires you don't need. Buy Now at Newegg

Features

1800W peak power output
1600W continuous power supply
Fully modular cable design
ATX form factor compatibility
High-efficiency PC gaming performance

Powerup 1,600W ATX Mining Power Supply for $516

Tue, 08 Sep 2026 23:17:52 -0400

Suits anyone running multiple GPUs for crypto mining or a similar high-draw rig, since the 1,600W capacity gives you enough headroom to keep several cards powered without overloading a standard PSU. Buy Now at Newegg

Features

1600W total power output
ATX form factor
Supports 6 GPUs
High-efficiency mining power design

Dell Inspiron 3670 3671 3980MT 525W Power Supply for $160

Tue, 08 Sep 2026 23:17:45 -0400

This power supply suits anyone whose Dell Inspiron desktop's original PSU has failed, since it's built to the exact specs your 3670, 3671, or 3980MT model needs rather than a generic replacement. Getting the wattage and connectors right matters here, and Newegg's listing is matched specifically to these tower models. Buy Now at Newegg

Features

525W total power capacity
Compatible with Dell Inspiron 3670, 3671, 3980MT
Reliable 8-pin power delivery
High-efficiency switching power supply
Model: 525W

HP 240W Desktop Power Supply Replacement for $147

Tue, 08 Sep 2026 23:17:37 -0400

Fits desktop PCs that need a straightforward power supply swap, especially if you're troubleshooting a system that won't boot or shuts down unexpectedly. It's a match for HP's specific form factor, so double-check your model before ordering. Buy Now at Newegg

Features

240W power capacity
Compatible with HP Z200 Z210 Z220 workstations
Model: 611479-001

Dell 240W 16.5A 12V Power Supply for $74

Tue, 08 Sep 2026 23:17:10 -0400

Handy as a replacement or backup for Dell desktops needing a 240W supply, especially when your original unit fails and you want an exact-match wattage instead of guessing on compatibility. Buy Now at Newegg

Features

240w power supply
16.5a current rating
12v power output
Model: I3650-3111SLV

200W 20-Pin Power Supply for KSF-200F4 and KSF-250F4 for $217

Tue, 08 Sep 2026 23:16:55 -0400

Worth a look if you're replacing a failed OEM unit rather than upgrading, since this matches the original KSF-200F4 and KSF-250F4 specs without hunting for a compatible aftermarket substitute. Buy Now at Newegg

Features

200W power output
20-pin power connector
Model: KSF-200F4
Model: KSF-250F4

Ace-R4130AP1-RS Power Supply for $190

Tue, 08 Sep 2026 23:16:50 -0400

Anyone maintaining or replacing parts in existing systems will appreciate having this specific power supply model on hand rather than hunting down a compatible substitute. Newegg carries it as a direct replacement option, which matters when your build or repair depends on exact specs matching. Buy Now at Newegg

Features

Model: ACE-R4130AP1-RS

FSP Raider 550W Power Supply for $181

Tue, 08 Sep 2026 23:16:48 -0400

This 550W unit suits budget builds and mid-range gaming rigs that don't need extra headroom for future upgrades, giving you steady power without paying for wattage you won't use. Newegg's price makes it a straightforward pick if you're assembling a value-focused system. Buy Now at Newegg

Features

550W power output
Model: PPA5502308

Corsair VS550 550W 80 Plus White Power Supply for $159

Tue, 08 Sep 2026 23:16:37 -0400

Best suited for a budget build where you just need reliable, steady power for basic components without paying for extra wattage or modular cables you won't use. Buy Now at Newegg

Features

550W power output
80 PLUS White certified efficiency
Single +12V rail design
Thermally controlled 120mm cooling fan
Model: VS550

Juniper JPSU-350-AC-AFO Power Supply for $310

Tue, 08 Sep 2026 23:14:43 -0400

The JPSU-350-AC-AFO is a front-to-back airflow power supply built for Juniper switch enclosures where hot-aisle/cold-aisle setups matter, so it suits data center and server room deployments needing matched airflow direction across the rack. Anyone maintaining or expanding an existing Juniper network switch installation would want this on hand as a compatible replacement or spare. Buy Now at Newegg

Features

350W AC power supply
Model: JPSU-350-AC-AFO